▲ 676 ▼ Usually connect to Walmart's WiFi but they changed their policy I guess, won't be doing that now... (lemmy.ml) submitted 2 years ago by trippingonthewire@lemmy.ml to c/privacy@lemmy.ml 224 comments fedilink hide all child comments
[–] Dark_Arc@social.packetloss.gg 29 points 2 years ago* (2 children) Pretty much all modern phones randomize the MAC address everytime they connect to a network unless the user explicitly says not to do that. permalink fedilink source parent hideshow 4 child comments replies: [–] lemann@lemmy.one 6 points 2 years ago* randomize the MAC address everytime they connect to a network +1, had issues using Android devices for presence detection because of this very useful privacy feature. Even on your home network, the MAC address and device hostname get randomized, unless disabled in the settings Edit: typo permalink fedilink source parent [–] geekworking@lemmy.world 4 points 2 years ago (3 children) When there's a Captive Portal like the screenshot, many devices use a random but persistent mac for that network avoid reauthorization after any network drop. This will make your access to the specific network trackable. permalink fedilink source parent hideshow 6 child comments replies: [–] Boring@lemmy.ml 2 points 2 years ago But can't you go manually forget the network in your device network options to circumvent this? permalink fedilink source parent [–] wreckedcarzz@lemmy.world 2 points 2 years ago (1 child) chuckles in GrapheneOS (per-connection random MAC, for all networks, by default) permalink fedilink source parent hideshow 2 child comments replies: [–] Molecular0079@lemmy.world 3 points 2 years ago (1 child) This is actually just part of stock Android. My Pixel 5 has MAC randomization on by default for new Wi-Fi networks. permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 2 points 2 years ago (1 child) It's per-network, not per-connection. Though that option does exist but is hidden away under developer settings. permalink fedilink source parent hideshow 2 child comments replies: [–] Molecular0079@lemmy.world 1 point 2 years ago (1 child) Oh you mean like per TCP connection? permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 1 point 2 years ago It's not at the packet level - by default on gOS (and a dev option on stock pixels), every time you connect to a network, even ones you have connected to prior, you get a new random MAC. The standard aosp/pixels do one random but persistent MAC randomization. This only helps marginally from a privacy standpoint. Per-connection makes this data point useless, thereby increasing privacy. permalink fedilink source parent [–] Dark_Arc@social.packetloss.gg 1 point 2 years ago I'd assume after a certain amount of time or after moving far enough away from the network it "forgets" the last randomized MAC address? It doesn't really make sense to store these things long term. permalink fedilink source parent
[–] lemann@lemmy.one 6 points 2 years ago* randomize the MAC address everytime they connect to a network +1, had issues using Android devices for presence detection because of this very useful privacy feature. Even on your home network, the MAC address and device hostname get randomized, unless disabled in the settings Edit: typo permalink fedilink source parent
[–] geekworking@lemmy.world 4 points 2 years ago (3 children) When there's a Captive Portal like the screenshot, many devices use a random but persistent mac for that network avoid reauthorization after any network drop. This will make your access to the specific network trackable. permalink fedilink source parent hideshow 6 child comments replies: [–] Boring@lemmy.ml 2 points 2 years ago But can't you go manually forget the network in your device network options to circumvent this? permalink fedilink source parent [–] wreckedcarzz@lemmy.world 2 points 2 years ago (1 child) chuckles in GrapheneOS (per-connection random MAC, for all networks, by default) permalink fedilink source parent hideshow 2 child comments replies: [–] Molecular0079@lemmy.world 3 points 2 years ago (1 child) This is actually just part of stock Android. My Pixel 5 has MAC randomization on by default for new Wi-Fi networks. permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 2 points 2 years ago (1 child) It's per-network, not per-connection. Though that option does exist but is hidden away under developer settings. permalink fedilink source parent hideshow 2 child comments replies: [–] Molecular0079@lemmy.world 1 point 2 years ago (1 child) Oh you mean like per TCP connection? permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 1 point 2 years ago It's not at the packet level - by default on gOS (and a dev option on stock pixels), every time you connect to a network, even ones you have connected to prior, you get a new random MAC. The standard aosp/pixels do one random but persistent MAC randomization. This only helps marginally from a privacy standpoint. Per-connection makes this data point useless, thereby increasing privacy. permalink fedilink source parent [–] Dark_Arc@social.packetloss.gg 1 point 2 years ago I'd assume after a certain amount of time or after moving far enough away from the network it "forgets" the last randomized MAC address? It doesn't really make sense to store these things long term. permalink fedilink source parent
[–] Boring@lemmy.ml 2 points 2 years ago But can't you go manually forget the network in your device network options to circumvent this? permalink fedilink source parent
[–] wreckedcarzz@lemmy.world 2 points 2 years ago (1 child) chuckles in GrapheneOS (per-connection random MAC, for all networks, by default) permalink fedilink source parent hideshow 2 child comments replies: [–] Molecular0079@lemmy.world 3 points 2 years ago (1 child) This is actually just part of stock Android. My Pixel 5 has MAC randomization on by default for new Wi-Fi networks. permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 2 points 2 years ago (1 child) It's per-network, not per-connection. Though that option does exist but is hidden away under developer settings. permalink fedilink source parent hideshow 2 child comments replies: [–] Molecular0079@lemmy.world 1 point 2 years ago (1 child) Oh you mean like per TCP connection? permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 1 point 2 years ago It's not at the packet level - by default on gOS (and a dev option on stock pixels), every time you connect to a network, even ones you have connected to prior, you get a new random MAC. The standard aosp/pixels do one random but persistent MAC randomization. This only helps marginally from a privacy standpoint. Per-connection makes this data point useless, thereby increasing privacy. permalink fedilink source parent
[–] Molecular0079@lemmy.world 3 points 2 years ago (1 child) This is actually just part of stock Android. My Pixel 5 has MAC randomization on by default for new Wi-Fi networks. permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 2 points 2 years ago (1 child) It's per-network, not per-connection. Though that option does exist but is hidden away under developer settings. permalink fedilink source parent hideshow 2 child comments replies: [–] Molecular0079@lemmy.world 1 point 2 years ago (1 child) Oh you mean like per TCP connection? permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 1 point 2 years ago It's not at the packet level - by default on gOS (and a dev option on stock pixels), every time you connect to a network, even ones you have connected to prior, you get a new random MAC. The standard aosp/pixels do one random but persistent MAC randomization. This only helps marginally from a privacy standpoint. Per-connection makes this data point useless, thereby increasing privacy. permalink fedilink source parent
[–] wreckedcarzz@lemmy.world 2 points 2 years ago (1 child) It's per-network, not per-connection. Though that option does exist but is hidden away under developer settings. permalink fedilink source parent hideshow 2 child comments replies: [–] Molecular0079@lemmy.world 1 point 2 years ago (1 child) Oh you mean like per TCP connection? permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 1 point 2 years ago It's not at the packet level - by default on gOS (and a dev option on stock pixels), every time you connect to a network, even ones you have connected to prior, you get a new random MAC. The standard aosp/pixels do one random but persistent MAC randomization. This only helps marginally from a privacy standpoint. Per-connection makes this data point useless, thereby increasing privacy. permalink fedilink source parent
[–] Molecular0079@lemmy.world 1 point 2 years ago (1 child) Oh you mean like per TCP connection? permalink fedilink source parent hideshow 2 child comments replies: [–] wreckedcarzz@lemmy.world 1 point 2 years ago It's not at the packet level - by default on gOS (and a dev option on stock pixels), every time you connect to a network, even ones you have connected to prior, you get a new random MAC. The standard aosp/pixels do one random but persistent MAC randomization. This only helps marginally from a privacy standpoint. Per-connection makes this data point useless, thereby increasing privacy. permalink fedilink source parent
[–] wreckedcarzz@lemmy.world 1 point 2 years ago It's not at the packet level - by default on gOS (and a dev option on stock pixels), every time you connect to a network, even ones you have connected to prior, you get a new random MAC. The standard aosp/pixels do one random but persistent MAC randomization. This only helps marginally from a privacy standpoint. Per-connection makes this data point useless, thereby increasing privacy. permalink fedilink source parent
[–] Dark_Arc@social.packetloss.gg 1 point 2 years ago I'd assume after a certain amount of time or after moving far enough away from the network it "forgets" the last randomized MAC address? It doesn't really make sense to store these things long term. permalink fedilink source parent
